Text and Data Mining valid from 2019-02-01
Received: 4 December 2018
Accepted: 21 January 2019
First Online: 1 February 2019
Compliance with ethical standards
: In the absence of proper regulation on the use of animals for research and animal welfare during experiments in Senegal, the protocols were conducted according to the best practices usually accepted by the Ethical Committee of Liège University (Liège, Belgium) when conducting similar experiments.
: The authors declare that they have no conflict of interest.